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To all whom it may concern;- Be it known that we, ALEXANDER J. COL?LINGE and BR GHA jM; Shvlgcn, of Inde pendence, in the county ofBuchanan and. "p' State of Iowa, have invented certain new and usefulImprovements in SteamGeneramrs; and we do hereby declare thei'ibl'lowing to be a full, clear, and exact descriptionof the in='vention, such as will enable others skilledin the art to which itpertains to make and use it, reference being had to the accompanyingdrawings, which form part ofthis specification.

Our invention relates to improvements in steam-generators, and consistsin a construction of the following character: An upright cylindricalboiler is provided with a fire-box, supported at a little distance aboveits bottom, so as to allow the fire-box to be surrounded by water. Ahorizontal extension is formed at one point on the side of the fire-box,which projects through a suitable opening in the boiler, and whichserves as the feeding-mouth of the fire-box. A series of vertical fluesconnect the fire-box with a conical drum, which fits over them, andwhose upper extremity passes through the removable top of the boiler, atwhich point it is providedwith a smokeflue having a damper locatedtherein.

The boiler is provided with a steam-conduct ing pipe to carry thegenerated steam to the vessels or receptacles to be heated therewith;and it consists in a flexible tube having rigid connections at bothextremities, one of which is supported in an opening formed in'the sideof the boiler near its top. A water-feed opening is also made in'theboiler-top, so as to supply the boiler without removing its top, while ametallic plate, having an opening in its center corresponding to thatthrough which the extremity of the flue-drum passes, is secured upon theboiler-top, and formed with upturned annular flanges at both inner andouter peripheries.

The object of this ring-plate is to provide means for heating thefeed-water preparatory to its entrance into the boiler, and a pipe pro-.vided with a valve at its top connects therewith, so that, as the wateris suitably heated, it may be passed down into the boiler.

A watergage is located in the side of the boiler near its centralheight, and a water-dis inner and outer peripheries.

cassettes-cg "is rams-a iuthe lower portion o -b am .e erii ngiot p l tfi' ;Ei 'eli e lpe 't' v- F t onjanjdpartly'infsi e1eivlatio'n.' Fig; '3is a view, in vertical section; of" the'sa'me' through riyofiF a r o a.

The", l'i ighflj "iQh- 01 6 -,i 7. o mf withthewater dischargeopehin g ain it'slow'er body and the water-gage B in its approximate verticalcentral portion. Within the same the fire-box G is supported at asuitable distance above its bottom, so as to allow the water to entirelysurround the said fire-box. while the side extension 0 projects throughan opening in the boiler, and forms the firing-mouth of the fire-box.

The vertical flues D may be of any desired number, and connect thefire-box with the conical-formed drum E, which fits over them, and whoseupper extremity e passes through the central opening of the removableboilertop F. The metallic plate G is secured to the upper surface ofthis top, and hasan opening similar to that of the boiler-top, throughwhich the said drum-extremity passes. It is made with the upturnedannular'flanges g at both The feed-water is, by any suitable means,emptied upon this ring-plate, and is there heated until it is dischargedthrough connecting-pipe f into the boiler. This pipe is provided at itstop with a valve, j, the opening or closing of which, respectively,operates to pass the water from the heating-plate to the boiler, or tokeep the same thereon.

The smoke-flue H is provided with suitable damper mechanism h, so as tocontrol the firedraft.

The boiler is provided with the steam-conducting pipe L, which consistsin a flexible tube having rigid connections at both extremities, one ofwhich is supported in an opening, I, made in the side of the boiler nearits top. This pipe carries the steam as it is generated in the boiler tothe vessels or receptacles tobe heated therewith, and the latter may bedesigned for cooking food, washing clothes, or other desirable objets.

It is evident that 'our invention may be applied to manydifl'erentpurposes, such as sup plying all necessary steam for theuseofcheesefactories and creamerles.

We prefer to have the water-line a little way up on the drum, so as tocover the head of flues and the joint, which connects the latter withthe said drum. So, also, we prefer that the several parts, excepting theboiler forth in the claims.

Having fully described our invention, what we claim as new, and desireto secure by Letters Patent, is-

1. The combination, with an upright boiler, provided with a removablehead having a smoke-chimney secured thereto, of the horizontal fire-box,conical drum, and intermediate vertical flues, said drum provided with asmoke-flue, which dctachably connects with said chimney, substantiallyas set forth.

2. The'combiriation with the fire-box, conical drum, and. intermediatevertical fiues. all the same being adapted to be surrounded by waterwithin the boiler, of the smoke-chimney, which passes through theremovable head of the boiler, and is connected with the smokeexit ofsaid conical drum, substantially as set forth.

3. In a steam-generator, the combination, with an upright boiler, of aremovable top, provided with an annular water-vessel having inner andouter raisedflanges, said inner flan ges serving to secure the chimneyin place,

substantially as set forth.

In testimony that we claim the foregoing we have hereunto set our handsthis 13th day of March, 1878. i i

ALEXANDER J. COLLINGE. BRIGHAM M. SAVAGE.

Witnesses:

J. BOEHNLINE, M. S. WEBSTER.

